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Periodic Table Element (The Chemical Touch - Lite or iElements)
3D Cell
Peterson Feeder Birds
Chesapeake Bay Field Guides
Leafsnap - can take a photo of any tree leaf and get an ID
Project Noah - be a citizen scientist! Take photos of wildlife and ID/upload or request help for ID. Earn badges and track/follow other citizen scientists from around the world.
Periodic Table Element (The Chemical Touch - Lite or iElements)
3D CellPeterson Feeder Birds
Chesapeake Bay Field Guides
Leafsnap - can take a photo of any tree leaf and get an ID
Project Noah - be a citizen scientist! Take photos of wildlife and ID/upload or request help for ID. Earn badges and track/follow other citizen scientists from around the world.